public void Mix(int[] buffer, int nsamples, byte regtc)
{
if (fmvolume <= 0)
{
return;
}
this.regtc = regtc;
// 準備
// Set F-Number
if ((regtc & 0xc0) == 0)
{
csmch.SetFNum(fnum[2]);// csmch - ch]);
}
else
{
// 効果音モード
csmch.op[0].SetFNum(fnum3[1]);
csmch.op[1].SetFNum(fnum3[2]);
csmch.op[2].SetFNum(fnum3[0]);
csmch.op[3].SetFNum(fnum[2]);
}
int act = (((ch[2].Prepare() << 2) | ch[1].Prepare()) << 2) | ch[0].Prepare();
if ((reg29 & 0x80) != 0)
{
act |= (ch[3].Prepare() | ((ch[4].Prepare() | (ch[5].Prepare() << 2)) << 2)) << 6;
}
if ((reg22 & 0x08) == 0)
{
act &= 0x555;
}
if ((act & 0x555) == 0)
{
return;
}
Mix6(buffer, nsamples, act);
}
